/* ============================================
   南京瑞宁智信科技服务有限公司 - 主样式表
   ============================================ */

/* ==================== CSS 变量 ==================== */
:root {
    --primary: #007AFF;
    --primary-dark: #0062CC;
    --primary-light: #4DA3FF;
    --primary-subtle: #EBF5FF;
    --primary-gradient: linear-gradient(135deg, #007AFF, #4DA3FF);
    --secondary: #1A3A5C;
    --secondary-dark: #0F2440;
    --accent: #007AFF;
    --success: #34C759;
    --warning: #FF9500;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --bg-white: #FFFFFF;
    --bg-gray: #F5F7FA;
    --bg-warm: #F8F9FB;
    --bg-dark: #1A3A5C;
    --border-color: #E5E9F0;
    --shadow-sm: 0 1px 3px rgba(0, 122, 255, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 122, 255, 0.10);
    --shadow-lg: 0 8px 30px rgba(0, 122, 255, 0.14);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: all 0.3s ease;
}


/* ==================== 重置 & 基础样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}


/* ==================== 页面系统 ==================== */
.page {
    display: none;
}

.page.active {
    display: block;
}


/* ==================== 头部导航 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.10);
    border-bottom-color: var(--border-color);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    position: relative;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #6200ea 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
    overflow: hidden;
    flex-shrink: 0;
}

.logo-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 8px 8px;
    opacity: 0.8;
}

.logo-r,
.logo-z {
    font-family: 'Poppins', 'Segoe UI', 'SF Pro Display', -apple-system, sans-serif;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.8);
}

.logo-r {
    font-size: 22px;
    position: relative;
    top: -2px;
}

.logo-z {
    font-size: 18px;
    margin-left: -2px;
    position: relative;
    top: 3px;
}

.logo-dot {
    position: absolute;
    width: 5px;
    height: 5px;
    background: #00ffcc;
    border-radius: 50%;
    box-shadow: 0 0 8px #00ffcc, 0 0 16px #00ffcc;
}

.logo-dot.dot-1 {
    top: 6px;
    right: 6px;
}

.logo-dot.dot-2 {
    bottom: 6px;
    left: 6px;
}

.logo-dot.dot-3 {
    top: 50%;
    right: 4px;
    transform: translateY(-50%);
}

.logo-line {
    position: absolute;
    background: rgba(0, 255, 204, 0.35);
}

.logo-line.line-1 {
    width: 1px;
    height: 10px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.logo-line.line-2 {
    width: 10px;
    height: 1px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.logo-line.line-3 {
    background: linear-gradient(90deg, #00ffcc, transparent);
    height: 1px;
    box-shadow: 0 0 4px #00ffcc;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 3px;
    line-height: 1.2;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 2px;
    text-transform: uppercase;
    line-height: 1.2;
}

/* 企业微信认证徽章 */
.wwverified-link {
    display: inline-flex;
    align-items: center;
}

.wwverified-badge {
    height: 32px;
    width: auto;
}

/* 导航链接 */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary);
}

/* 头部操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.phone:hover {
    color: var(--primary-dark);
}

.phone i {
    font-size: 14px;
}

.consult-btn {
    padding: 10px 24px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: consultGlow 2s ease-in-out infinite;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.35);
}

.consult-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 122, 255, 0.45);
}

.consult-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
}

.consult-btn:hover::before {
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    color: var(--primary);
}


/* ==================== 移动端菜单 ==================== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    z-index: 999;
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.mobile-nav-link:last-of-type {
    border-bottom: none;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary);
}

.mobile-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}

.mobile-phone i {
    font-size: 16px;
}


/* ==================== Hero 区域 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(160deg, #EBF5FF 0%, #D6EAFF 40%, #B5D8FF 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 122, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(77, 163, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 122, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    min-width: 0;
}

.hero-title-wrapper {
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.hero-title-line {
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 4px;
}

.hero-subtitle-wrapper {
    margin-bottom: 28px;
}

.hero-subtitle-lead {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 560px;
}

.hero-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 32px;
    max-width: 500px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(0, 122, 255, 0.06);
}

.badge-item:hover {
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.14);
    transform: translateY(-2px);
}

.badge-primary-item {
    background: linear-gradient(135deg, #EBF5FF, #D6EAFF);
    border-color: rgba(0, 122, 255, 0.15);
}

.badge-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 8px;
    font-size: 16px;
    color: var(--primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.badge-item:hover .badge-icon {
    background: var(--primary);
    color: #fff;
}

.badge-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.badge-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.badge-desc {
    font-size: 11px;
    color: var(--text-tertiary);
    line-height: 1.3;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-image {
    flex: 1;
    min-width: 0;
    position: relative;
}

/* Hero 区域产品矩阵 - 大气简洁版 */
.product-matrix {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 12px 60px rgba(0, 122, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.product-matrix:hover {
    box-shadow: 0 16px 70px rgba(0, 122, 255, 0.18);
    transform: translateY(-2px);
}

.matrix-brand {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

/* 主产品 - 企业微信 */
.matrix-featured {
    margin-bottom: 20px;
}

.featured-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #EBF5FF 0%, #D6EAFF 100%);
    border-radius: 14px;
    border: 1px solid rgba(0, 122, 255, 0.12);
    cursor: default;
    transition: var(--transition);
}

.featured-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.15);
}

.featured-icon-wrap {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 14px;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
}

.featured-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.featured-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

.featured-tagline {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* 产品网格 */
.matrix-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.matrix-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: var(--bg-gray);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.matrix-item:hover {
    background: var(--primary-subtle);
    border-color: rgba(0, 122, 255, 0.12);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.10);
}

.matrix-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border-radius: 10px;
    font-size: 18px;
    color: var(--primary);
    transition: var(--transition);
    position: relative;
}

.matrix-item:hover .matrix-item-icon {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
}

.matrix-item-hot .hot-tag {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    background: var(--warning);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.matrix-item-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    text-align: center;
}

.matrix-item:hover .matrix-item-name {
    color: var(--primary);
}

.matrix-item-more {
    background: rgba(0, 122, 255, 0.04);
    border: 1px dashed rgba(0, 122, 255, 0.2);
}

.matrix-item-more:hover {
    background: rgba(0, 122, 255, 0.08);
    border-color: rgba(0, 122, 255, 0.3);
}

.matrix-item-more .matrix-item-icon {
    background: transparent;
    color: var(--primary);
}


/* ==================== 海浪波纹分割线 ==================== */
.wave-divider {
    line-height: 0;
    margin-top: -2px;
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 100px;
}


/* ==================== 愿景口号横幅 ==================== */
.slogan-banner {
    padding: 60px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.slogan-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(0, 122, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(77, 163, 255, 0.1) 0%, transparent 50%);
}

.slogan-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    position: relative;
    z-index: 1;
}

.slogan-icon {
    color: rgba(255, 255, 255, 0.15);
    font-size: 36px;
    flex-shrink: 0;
}

.slogan-text {
    text-align: center;
}

.slogan-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.slogan-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}


/* ==================== 通用区块样式 ==================== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 4px;
    margin: 12px auto 0;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 8px;
}


/* ==================== 核心优势 ==================== */
.features {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    gap: 24px;
}

.features-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.feature-card {
    padding: 32px 24px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.2);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ==================== 产品预览矩阵 ==================== */
.products-preview {
    background: var(--bg-gray);
}

.products-matrix {
    max-width: 800px;
    margin: 0 auto;
}

.pm-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.pm-row-featured {
    gap: 16px;
}

.pm-row-last {
    margin-bottom: 0;
}

.pm-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.pm-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.25);
}

.pm-item-large {
    flex-direction: row;
    gap: 16px;
    padding: 24px 20px;
    background: var(--primary-subtle);
    border-color: rgba(0, 122, 255, 0.15);
}

.pm-item-large .pm-icon {
    width: 48px;
    height: 48px;
    font-size: 24px;
    flex-shrink: 0;
}

.pm-item-large .pm-content {
    text-align: left;
}

.pm-item-large .pm-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pm-item-large .pm-content p {
    font-size: 13px;
    color: var(--text-tertiary);
}

.pm-item-hot {
    position: relative;
}

.pm-item-hot::before {
    content: '热';
    position: absolute;
    top: -6px;
    right: -6px;
    width: 22px;
    height: 22px;
    background: var(--warning);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pm-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: var(--radius-sm);
    font-size: 20px;
    color: var(--primary);
    transition: var(--transition);
}

.pm-item:hover .pm-icon {
    background: var(--primary);
    color: #fff;
}

.pm-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.pm-item span {
    font-size: 12px;
    color: var(--text-tertiary);
}

.pm-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0 0 16px;
}


/* ==================== 数据统计 ==================== */
.stats {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 122, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(77, 163, 255, 0.08) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 32px 16px;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}


/* ==================== 客户案例 ==================== */
.clients {
    background: var(--bg-white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.client-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.2);
}

.client-card i {
    font-size: 32px;
    color: var(--primary);
}

.client-card span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}


/* ==================== 客户评价轮播 ==================== */
.testimonials {
    background: var(--bg-gray);
}

.testimonial-carousel {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: none;
    transition: var(--transition);
}

.testimonial-card.active {
    display: block;
    animation: fadeInUp 0.5s ease forwards;
}

.testimonial-stars {
    margin-bottom: 20px;
}

.testimonial-stars i {
    color: #FFD700;
    font-size: 20px;
    margin: 0 2px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}

.testimonial-info {
    text-align: left;
}

.testimonial-info strong {
    display: block;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.testimonial-info span {
    font-size: 13px;
    color: var(--text-tertiary);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    background: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dots .dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
}


/* ==================== 合作伙伴 ==================== */
.partners {
    background: var(--bg-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 12px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.partner-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.1);
}

.partner-item i {
    font-size: 28px;
    color: var(--text-tertiary);
    transition: var(--transition);
}

.partner-item:hover i {
    color: var(--primary);
}

.partner-item span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}


/* ==================== CTA 区域 ==================== */
.cta {
    background: var(--primary-gradient);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}


/* ==================== 按钮通用样式 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 122, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}

.btn-white:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}


/* ==================== 关于我们 - Hero ==================== */
.about-hero {
    padding: 120px 0 80px;
    background: var(--bg-gray);
}

.breadcrumb {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 40px;
}

.breadcrumb a {
    color: var(--primary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
}

.about-hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text .lead {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.about-image {
    flex: 0 0 320px;
}

.about-image-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.about-image-box .logo-icon.large {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.3);
}

.about-image-box .logo-icon.large .logo-r {
    font-size: 48px;
    top: -4px;
}

.about-image-box .logo-icon.large .logo-z {
    font-size: 40px;
    top: 6px;
}

.about-image-box .logo-icon.large .logo-dot {
    width: 8px;
    height: 8px;
}

.about-image-box .logo-icon.large .logo-dot.dot-1 {
    top: 14px;
    right: 14px;
}

.about-image-box .logo-icon.large .logo-dot.dot-2 {
    bottom: 14px;
    left: 14px;
}

.about-image-box .logo-icon.large .logo-dot.dot-3 {
    top: 50%;
    right: 10px;
}

.about-image-box .logo-icon.large .logo-line.line-1 {
    width: 1px;
    height: 20px;
}

.about-image-box .logo-icon.large .logo-line.line-2 {
    width: 20px;
    height: 1px;
}

.about-image-box .logo-icon.large .logo-line.line-3 {
    position: absolute;
    width: 30px;
    height: 1px;
    bottom: 30px;
    left: 14px;
    background: linear-gradient(90deg, #00ffcc, transparent);
    box-shadow: 0 0 4px #00ffcc;
}

.about-image-box .logo-circuits {
    display: flex;
    gap: 4px;
}

.logo-circuit {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 4px;
}

.logo-circuit.circuit-1 {
    bottom: 18px;
    right: 14px;
}

.logo-circuit.circuit-2 {
    bottom: 18px;
    right: 38px;
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 6px;
}


/* ==================== 发展历程 ==================== */
.timeline-section {
    background: var(--bg-white);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-gradient);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding: 0 0 48px 24px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-white);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-subtle);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ==================== 团队实力 ==================== */
.team-section {
    background: var(--bg-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.team-card {
    padding: 36px 28px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
}

.team-avatar {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 50%;
    margin: 0 auto 16px;
    font-size: 28px;
    color: var(--primary);
    transition: var(--transition);
}

.team-card:hover .team-avatar {
    background: var(--primary);
    color: #fff;
}

.team-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.team-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ==================== 资质认证 ==================== */
.certificates-section {
    background: var(--bg-white);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.certificate-card {
    padding: 32px 20px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.certificate-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.2);
}

.certificate-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 16px;
}

.certificate-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.certificate-card p {
    font-size: 13px;
    color: var(--text-tertiary);
}


/* ==================== 产品服务页 - Hero ==================== */
.products-hero {
    padding: 120px 0 60px;
    background: var(--bg-gray);
}

.products-hero-content {
    text-align: center;
}

.products-hero-content h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.products-hero-content .lead {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}


/* ==================== 产品详情 ==================== */
.product-detail {
    padding: 80px 0;
    background: var(--bg-white);
}

.product-detail.alt {
    background: var(--bg-gray);
}

.product-detail-grid {
    display: flex;
    align-items: center;
    gap: 60px;
}

.product-detail-grid.reverse {
    flex-direction: row-reverse;
}

.product-detail-content {
    flex: 1;
}

.product-detail-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 20px;
}

.product-detail-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.product-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-detail-features {
    margin-bottom: 28px;
}

.product-detail-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.product-detail-features li:last-child {
    border-bottom: none;
}

.product-detail-features li i {
    color: var(--success);
    margin-top: 3px;
    flex-shrink: 0;
}

.product-detail-features li strong {
    color: var(--text-primary);
}

.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 24px;
}

.price-label {
    font-size: 14px;
    color: var(--text-tertiary);
}

.price-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.price-value span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.price-value.consult-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
}

.price-value.consult-text:hover {
    color: var(--primary-dark);
}

/* 会话存档 - 版本对比 */
#product-chat-archive .product-pricing {
    display: block;
}

.version-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    padding: 8px 12px;
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
}

.version-row:last-of-type {
    margin-bottom: 16px;
}

.version-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.4;
}

.version-service {
    background: #E8F4FF;
    color: var(--primary);
}

.version-enterprise {
    background: #FFF3E0;
    color: #E65100;
}

.version-detail {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.version-cta {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.product-detail-image {
    flex: 0 0 300px;
}

.product-showcase {
    width: 280px;
    height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 122, 255, 0.1);
    transition: var(--transition);
}

.product-showcase:hover {
    box-shadow: 0 8px 30px rgba(0, 122, 255, 0.15);
    transform: scale(1.02);
}

.product-showcase i {
    font-size: 64px;
    color: var(--primary);
    margin-bottom: 12px;
}

.product-showcase p {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}


/* ==================== 服务流程 ==================== */
.service-flow {
    background: var(--bg-gray);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.flow-step {
    flex: 1;
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition);
    max-width: 220px;
}

.flow-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
}

.step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    margin: 0 auto 12px;
}

.step-icon {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 12px;
}

.flow-step h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.flow-step p {
    font-size: 13px;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.flow-arrow {
    flex-shrink: 0;
    margin: 0 12px;
    color: var(--primary);
    font-size: 24px;
    opacity: 0.4;
}


/* ==================== 价格套餐对比 ==================== */
.pricing-table {
    background: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-warm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 122, 255, 0.12);
}

.pricing-card.featured {
    background: var(--bg-white);
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.12);
    position: relative;
    transform: scale(1.04);
}

.pricing-card.featured:hover {
    transform: scale(1.04) translateY(-6px);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-header {
    padding: 32px 28px 20px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.pricing-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
}

.pricing-body {
    padding: 0 28px;
    flex: 1;
}

.pricing-features {
    margin-bottom: 24px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    font-size: 14px;
    width: 16px;
}

.pricing-features li i.fa-check {
    color: var(--success);
}

.pricing-features li i.fa-times {
    color: #ccc;
}

.pricing-features li.disabled {
    color: #ccc;
}

.pricing-footer {
    padding: 24px 28px 32px;
    text-align: center;
}

.pricing-price {
    margin-bottom: 20px;
}

.pricing-price .price {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
}

.pricing-price .period {
    font-size: 14px;
    color: var(--text-tertiary);
}


/* ==================== 使用场景 ==================== */
.scenarios {
    background: var(--bg-gray);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scenario-card {
    padding: 32px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.scenario-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
}

.scenario-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: var(--radius-sm);
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 16px;
    transition: var(--transition);
}

.scenario-card:hover .scenario-icon {
    background: var(--primary);
    color: #fff;
}

.scenario-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.scenario-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.scenario-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-subtle);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}


/* ==================== FAQ 常见问题 ==================== */
.faq-section {
    background: var(--bg-white);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(0, 122, 255, 0.2);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
    background: var(--bg-warm);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-tertiary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ==================== 联系我们 - Hero ==================== */
.contact-hero {
    padding: 120px 0 60px;
    background: var(--bg-gray);
}

.contact-hero-content {
    text-align: center;
}

.contact-hero-content h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-hero-content .lead {
    font-size: 18px;
    color: var(--text-secondary);
}


/* ==================== 联系信息卡片 ==================== */
.contact-cards {
    background: var(--bg-white);
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    padding: 32px 20px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 50%;
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

.contact-card:hover .contact-card-icon {
    background: var(--primary);
    color: #fff;
}

.contact-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ==================== 咨询表单 ==================== */
.contact-form-section {
    background: var(--bg-gray);
}

.contact-form-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-form-info {
    flex: 0 0 320px;
}

.contact-form-info h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.contact-form-info p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.contact-qr {
    display: flex;
    justify-content: flex-start;
}

.qr-box {
    width: 180px;
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.qr-box:hover,
.qr-box-active {
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.1);
}

.qr-box img {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    object-fit: contain;
    background: var(--bg-gray);
}

.qr-box p {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 0;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 12px;
    margin-bottom: 8px;
    position: relative;
}

.qr-placeholder::before {
    content: "待上传二维码";
    color: var(--text-tertiary);
    font-size: 12px;
}

.contact-form {
    flex: 1;
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.form-group {
    flex: 1;
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}


/* ==================== 地图区域 ==================== */
.contact-map {
    background: var(--bg-white);
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.map-content {
    text-align: center;
}

.map-content i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.map-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.map-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}


/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 60px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.3), transparent);
}

.footer-main {
    display: flex;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    flex: 0 0 560px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 28px;
}

/* 页脚 Logo 图标 */
.footer-logo-icon {
    position: relative;
    width: 88px;
    height: 88px;
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #6200ea 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.5);
    overflow: hidden;
    flex-shrink: 0;
}

.footer-logo-icon .logo-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 16px 16px;
    opacity: 0.8;
}

.footer-logo-icon .logo-r,
.footer-logo-icon .logo-z {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 20px rgba(0, 255, 204, 0.8);
    position: relative;
    z-index: 1;
}

.footer-logo-icon .logo-z {
    margin-left: -2px;
}

.footer-logo-icon .logo-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #00ffcc;
    border-radius: 50%;
    box-shadow: 0 0 16px #00ffcc, 0 0 32px #00ffcc;
}

.footer-logo-icon .logo-dot.dot-1 {
    top: 12px;
    right: 12px;
}

.footer-logo-icon .logo-dot.dot-2 {
    bottom: 12px;
    left: 12px;
}

.footer-logo-icon .logo-line {
    position: absolute;
    background: rgba(0, 255, 204, 0.3);
}

.footer-logo-icon .logo-line.line-1 {
    width: 2px;
    height: 20px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.footer-logo-icon .logo-line.line-2 {
    width: 20px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 页脚 Logo 文字 */
.footer-logo-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-company-name {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 6px;
}

.footer-company-slogan {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.footer-brand-desc {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-column {
    flex: 1;
    min-width: 0;
}

.footer-column-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-column-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-links-list li a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact-item i {
    color: var(--primary);
    width: 16px;
    text-align: center;
}

.footer-qr {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-qr img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    border: 2px solid rgba(255, 255, 255, 0.08);
}

.footer-qr span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}


/* ==================== 弹窗 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    z-index: 1;
    animation: modalIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modal-content > p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ==================== 联系卡片弹窗 ==================== */
.modal-contact {
    max-width: 640px;
    padding: 0;
    overflow: hidden;
}

.modal-contact .modal-close {
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    font-size: 20px;
}

.modal-contact-inner {
    display: flex;
    min-height: 400px;
}

.modal-contact-left {
    flex: 1;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
}

.modal-contact-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.modal-contact-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.modal-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-row:hover {
    background: var(--primary-subtle);
    border-color: rgba(0, 122, 255, 0.15);
    transform: translateX(4px);
}

.contact-row-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
}

.contact-row-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-row-label {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.contact-row-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.contact-row-arrow {
    font-size: 12px;
    color: var(--text-tertiary);
    opacity: 0.5;
    transition: var(--transition);
}

.contact-row:hover .contact-row-arrow {
    opacity: 1;
    color: var(--primary);
}

.modal-contact-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.modal-contact-footer p {
    font-size: 12px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.modal-contact-footer p::before {
    content: '\f017';
    font-family: 'Font Awesome 6 Free';
    font-weight: 400;
}

.modal-contact-divider {
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
    flex-shrink: 0;
}

.modal-contact-right {
    width: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 28px;
    background: linear-gradient(180deg, var(--primary-subtle) 0%, #fff 100%);
}

.modal-qr-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.12);
    margin-bottom: 16px;
}

.modal-qr-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

.modal-qr-wrapper::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px dashed rgba(0, 122, 255, 0.2);
    border-radius: calc(var(--radius-md) + 3px);
}

.modal-qr-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.modal-qr-tip i {
    font-size: 16px;
    color: var(--primary);
}

/* 复制提示 */
.copy-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-dark);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.copy-toast i {
    color: var(--success);
    font-size: 18px;
}


/* ==================== 在线客服浮窗 ==================== */
.chat-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1500;
}

.chat-float-btn {
    width: 160px;
    height: 160px;
    background: var(--primary-gradient);
    border-radius: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.35);
    transition: var(--transition);
    border: none;
    color: #fff;
    position: relative;
}

.chat-float-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(0, 122, 255, 0.45);
}

.chat-float-btn i {
    font-size: 56px;
}

.chat-label {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 1px;
}

.chat-float-panel {
    position: absolute;
    bottom: 172px;
    right: 0;
    width: 280px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease;
}

.chat-float-panel.active {
    display: block;
}

.chat-float.panel-open .chat-float-btn {
    display: none;
}

.chat-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--primary-gradient);
    color: #fff;
}

.chat-panel-header h4 {
    font-size: 16px;
    font-weight: 600;
}

.chat-close {
    font-size: 22px;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
}

.chat-close:hover {
    opacity: 1;
}

.chat-panel-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.chat-option:hover {
    background: var(--primary-subtle);
}

.chat-option i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 50%;
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
    transition: var(--transition);
}

.chat-option:hover i {
    background: var(--primary);
    color: #fff;
}

.chat-option div strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.chat-option div span {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 微信咨询 - 内嵌二维码 */
.chat-qr-wrap {
    padding: 16px;
    text-align: center;
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
}

.chat-qr-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.chat-qr-label i {
    color: #07C160;
    font-size: 16px;
}

.chat-qr-box {
    width: 140px;
    height: 140px;
    margin: 0 auto 10px;
    padding: 8px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.chat-qr-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.chat-qr-hint {
    font-size: 12px;
    color: var(--text-tertiary);
}

.chat-panel-footer {
    padding: 12px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.chat-panel-footer p {
    font-size: 12px;
    color: var(--text-tertiary);
}


/* ==================== 二维码区域 ==================== */
.qr-box-active {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.15);
}

.contact-qr-section {
    padding-top: 0;
}

.contact-qr-center {
    display: flex;
    justify-content: center;
}

.contact-qr-center .qr-box {
    width: 220px;
    padding: 24px;
}

.contact-qr-center .qr-box img {
    width: 172px;
    height: 172px;
}

/* ==================== 滚动动画 ==================== */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}


/* ==================== 关键帧动画 ==================== */
@keyframes consultGlow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 122, 255, 0.35);
    }
    50% {
        box-shadow: 0 4px 25px rgba(0, 122, 255, 0.55), 0 0 40px rgba(0, 122, 255, 0.2);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}


/* ==================== 响应式样式 ==================== */

/* 大屏幕笔记本 */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 32px;
    }

    .hero-title {
        font-size: 38px;
    }
}

/* 平板 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-title-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-subtitle {
        max-width: 100%;
    }

    .hero-badges {
        justify-content: center;
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 34px;
    }

    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-6px);
    }

    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-form-wrapper {
        flex-direction: column;
    }

    .contact-form-info {
        flex: none;
        width: 100%;
    }

    .contact-form-info {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-hero-content {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        flex: none;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .footer-main {
        flex-wrap: wrap;
        gap: 40px;
    }

    .footer-brand {
        flex: 0 0 100%;
    }

    .flow-steps {
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    .flow-step {
        max-width: 180px;
    }

    .flow-arrow {
        display: none;
    }

    .product-detail-grid {
        flex-direction: column;
        text-align: center;
    }

    .product-detail-grid.reverse {
        flex-direction: column;
    }

    .product-detail-icon {
        margin: 0 auto 20px;
    }

    .product-detail-features {
        text-align: left;
    }

    .product-pricing {
        justify-content: center;
    }

    .product-detail-image {
        flex: none;
    }

    .product-showcase {
        margin: 30px auto 0;
    }

    .nav {
        display: none;
    }

    .header-actions .phone {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .slogan-content {
        flex-direction: column;
        gap: 16px;
    }

    .slogan-icon {
        display: none;
    }

    .section-title {
        font-size: 28px;
    }

    .section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .badge {
        font-size: 12px;
        padding: 6px 12px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 14px;
    }

    .pm-row {
        flex-wrap: wrap;
    }

    .pm-row-featured {
        flex-wrap: wrap;
    }

    .pm-item {
        min-width: calc(50% - 8px);
        flex: none;
    }

    .pm-item-large {
        min-width: 100%;
    }

    /* 产品矩阵 - 平板 */
    .matrix-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 手机 */
@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle-lead {
        font-size: 17px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-badges {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .features-grid-4 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-number {
        font-size: 32px;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .client-card {
        padding: 20px 12px;
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .partner-item {
        padding: 16px 8px;
    }

    .pricing-grid {
        max-width: 100%;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .contact-cards-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        padding: 28px 20px;
    }

    .testimonial-text {
        font-size: 14px;
    }

    .about-text h1 {
        font-size: 28px;
    }

    .about-text .lead {
        font-size: 16px;
    }

    .products-hero-content h1 {
        font-size: 28px;
    }

    .product-detail-content h2 {
        font-size: 24px;
    }

    .price-value {
        font-size: 28px;
    }

    .product-showcase {
        width: 220px;
        height: 220px;
    }

    .product-showcase i {
        font-size: 48px;
    }

    .contact-form {
        padding: 24px 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-row .form-group {
        margin-bottom: 16px;
    }

    .cta-content h2 {
        font-size: 28px;
    }

    .cta-content p {
        font-size: 15px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .slogan-text h2 {
        font-size: 22px;
    }

    .slogan-text p {
        font-size: 14px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-desc {
        font-size: 14px;
    }

    .section {
        padding: 50px 0;
    }

    .chat-float {
        bottom: 20px;
        right: 20px;
    }

    .chat-float-btn {
        width: 120px;
        height: 120px;
        border-radius: 28px;
    }

    .chat-float-btn i {
        font-size: 44px;
    }

    .chat-label {
        font-size: 16px;
    }

    .chat-float-panel {
        width: 280px;
        bottom: 132px;
    }

    .pm-item {
        min-width: calc(50% - 8px);
        padding: 16px 12px;
    }

    .pm-item h4 {
        font-size: 13px;
    }

    .pm-item span {
        font-size: 11px;
    }

    .pm-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .pm-item-large .pm-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-r {
        font-size: 18px;
    }

    .logo-z {
        font-size: 15px;
    }

    .logo-name {
        font-size: 17px;
    }

    .logo-sub {
        font-size: 9px;
    }

    .header-content {
        height: 60px;
    }

    .mobile-menu {
        top: 60px;
    }

    .footer-main {
        flex-direction: column;
        gap: 32px;
    }

    .footer-column-title {
        margin-bottom: 14px;
    }

    .footer-qr {
        align-items: flex-start;
    }

    .footer-brand {
        text-align: center;
        flex: 0 0 100%;
    }

    .footer-logo {
        justify-content: center;
    }

    /* 页脚品牌 - 移动端缩小 */
    .footer-logo-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
    }

    .footer-logo-icon .logo-r,
    .footer-logo-icon .logo-z {
        font-size: 20px;
    }

    .footer-logo-icon .logo-z {
        margin-left: -1px;
    }

    .footer-logo-icon .logo-dot {
        width: 6px;
        height: 6px;
    }

    .footer-logo-icon .logo-dot.dot-1 {
        top: 7px;
        right: 7px;
    }

    .footer-logo-icon .logo-dot.dot-2 {
        bottom: 7px;
        left: 7px;
    }

    .footer-logo-icon .logo-line.line-1 {
        width: 1px;
        height: 12px;
    }

    .footer-logo-icon .logo-line.line-2 {
        width: 12px;
        height: 1px;
    }

    .footer-company-name {
        font-size: 22px;
        letter-spacing: 4px;
    }

    .footer-company-slogan {
        font-size: 12px;
        letter-spacing: 2px;
    }

    .footer-brand-desc {
        font-size: 16px;
    }

    .footer-contact-column .footer-contact-list {
        align-items: flex-start;
    }

    .map-placeholder {
        height: 280px;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-item {
        padding-left: 16px;
    }

    .timeline-item::before {
        left: -18px;
        width: 12px;
        height: 12px;
    }

    .timeline::before {
        left: 9px;
    }

    .modal-content {
        margin: 0 16px;
        padding: 32px 24px;
    }

    /* 联系卡片弹窗 - 移动端 */
    .modal-contact {
        margin: 0 16px;
    }

    .modal-contact .modal-content {
        margin: 0;
        padding: 0;
    }

    .modal-contact-inner {
        flex-direction: column-reverse;
        min-height: auto;
    }

    .modal-contact-right {
        width: 100%;
        padding: 32px 24px 20px;
    }

    .modal-qr-wrapper {
        width: 140px;
        height: 140px;
    }

    .modal-contact-left {
        padding: 24px;
    }

    .modal-contact-header p {
        margin-bottom: 20px;
    }

    .menu-btn {
        display: block;
    }

    .product-matrix {
        padding: 16px;
    }

    .matrix-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .matrix-item {
        padding: 12px 6px;
    }

    .matrix-item-icon {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }

    .matrix-item-name {
        font-size: 11px;
    }

    .featured-item {
        flex-direction: row;
        padding: 12px 16px;
    }

    .featured-icon-wrap {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .featured-name {
        font-size: 15px;
    }

    .featured-tagline {
        font-size: 11px;
    }
}